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Finding the Fourth Proportional to 437,992.31, 604,430.20 and 236,788.31

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Solution

The fourth proportional to 437,992.31, 604,430.20 and 236,788.31 is: 326,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,992.31 : 604,430.20 = 236,788.31 : x
  2. Step 2: Convert to fraction form
    437,992.31/604,430.20 = 236,788.31/x
  3. Step 3: Cross multiply
    437,992.31x = 604,430.20 × 236,788.31
  4. Step 4: Simplify right side
    437,992.31x = 143,122,007,378.02
  5. Step 5: Solve for x
    x = 143,122,007,378.02/437,992.31
  6. Step 6: Final answer
    x = 326,768.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.